Lexus ES: System Diagram
SYSTEM DIAGRAM
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
*: Use the Techstream
Use the following procedure to troubleshoot the hybrid control system.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Utility
UTILITY ALL READINESS HINT:
With "All Readiness", you can check whether or not the DTC judgment has been completed by using the Techstream.
You should check "All Readiness" after simulating malfu
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE Hybrid Control System Symptom Suspected Area Link Cannot enter EV drive mode CAN Communication System Pattern Select Switch EV Mode Circuit EV mod
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Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE FRONT DIFFERENTIAL CASE REAR TAPERED ROLLER BEARING (OUTER RACE) (a) Using SST, remove the front differential case rear tapered roller bearing (outer race) from the automatic transaxle case sub-assembly. SST: 09308-36010 NOTICE: Be careful not to damage the automatic
Relay
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT IGCT RELAY (IGCT) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 3 - 5 Auxiliary battery voltage not applied between termin
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